Business Combination and Goodwill - Additional Information (Details)					1 Months Ended	12 Months Ended
	Sep. 10, 2019 USD ($) acquisition	Aug. 30, 2019 USD ($)	May 31, 2019 USD ($)	Dec. 08, 2017 USD ($) $ / shares shares	Mar. 30, 2017 USD ($) $ / shares shares	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($) shares
Business Acquisition [Line Items]
Interest acquired				18.00%
Equity interest issued or issuable of shares (in shares) | shares				6,109,205				6,109,205
Equity interest in acquiree				$ 1,055,333
Change in goodwill related to Merger							$ 700,000
Subsequent recognition of deferred tax asset						$ 0	868,000	$ 0
Subsequent recognition of deferred tax asset							200,000
Goodwill and deferred tax assets, decrease merger transaction costs							900,000
Aggregate goodwill decrease							200,000
Aggregate purchase price						49,402,514	0	0
Consideration transferred				86,394,383
Value of shares transferred in acquisition				61,092,050				$ 61,092,050
Goodwill, impairment loss						3,800,000	$ 3,798,866
Preferred stock
Business Acquisition [Line Items]
Equity interest in acquiree				$ 19,118,000		$ 19,100,000
Warrant One
Business Acquisition [Line Items]
Exercise price per share (in dollars per share) | $ / shares				$ 11
Warrant Two
Business Acquisition [Line Items]
Exercise price per share (in dollars per share) | $ / shares				$ 10
NMM
Business Acquisition [Line Items]
Dissenting shareholder interests				$ 0
NMM | Noncontrolling Interest
Business Acquisition [Line Items]
Equity interest in acquiree				$ 5,129,000
NMM | APAACO
Business Acquisition [Line Items]
Ownership interest				50.00%
ApolloMed | APAACO
Business Acquisition [Line Items]
Ownership interest				50.00%
Alliance Apex, LLC | Convertible Notes Payable
Business Acquisition [Line Items]
Face amount of debt					$ 5,000,000
Conversion price (in dollars per share) | $ / shares					$ 10.00
Alliance Apex, LLC, Manager | Director | Alliance Apex, LLC
Business Acquisition [Line Items]
Ownership interest					50.00%
ApolloMed
Business Acquisition [Line Items]
Interest acquired				82.00%
Equity interest in acquiree (in shares) | shares				2,566,666
Percentage of voting interests acquired held back to secure indemnification				10.00%
Percentage of voting interests acquired held back to secure indemnification, holding period after closing of merger				24 months
Equity interest issued or issuable of shares (in shares) | shares				6,109,205
Expected term						2 years
Fair value liquidation preference						$ 12,700,000
ApolloMed | Common Class B
Business Acquisition [Line Items]
Equity interest in acquiree						$ 6,400,000
ApolloMed | Measurement Input, Price Volatility
Business Acquisition [Line Items]
Expected volatility rate						37.90%
ApolloMed | Measurement Input, Risk Free Interest Rate
Business Acquisition [Line Items]
Risk free interest rate						1.80%
ApolloMed | Convertible Promissory Note
Business Acquisition [Line Items]
Converted instrument shares issued (in shares) | shares					520,081
Converted instrument amount					$ 5,000,000
ApolloMed | Warrant One
Business Acquisition [Line Items]
Number of warrants (in shares) | shares				850,000
ApolloMed | Warrant Two
Business Acquisition [Line Items]
Number of warrants (in shares) | shares				900,000
Acquisition of Alpha Care | APC and APC-LSMA
Business Acquisition [Line Items]
Interest acquired			100.00%
Aggregate purchase price			$ 45,055,564
Escrow deposit			$ 2,000,000
Accountable Health Care IPA
Business Acquisition [Line Items]
Consideration transferred		$ 25,100,000
Assets and liabilities assumed		$ 15,400,000
Accountable Health Care IPA | Dr. Jay
Business Acquisition [Line Items]
Interest acquired		75.00%
Consideration transferred		$ 7,250,000
Assets and liabilities assumed		$ 5,000,000
Accountable Health Care IPA | APC
Business Acquisition [Line Items]
Interest acquired		25.00%
Payments to acquire investments		$ 2,400,000
AMG
Business Acquisition [Line Items]
Consideration transferred	$ 1,600,000
Number of additional acquisitions completed | acquisition	1
AMG | APC
Business Acquisition [Line Items]
Interest acquired	100.00%
Value of shares transferred in acquisition	$ 400,000